<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div class="container">
    <div class="login-wrapper">
        <div class="header">Login</div>
        <div class="form-wrapper">
            <form action="/login" method="post">
                <input type="text" name="user" placeholder="username" class="input-item">
                <input type="password" name="password" placeholder="password" class="input-item">
                <input class="btn" type="submit" value="Login"/>
            </form>

        </div>
        <div class="msg">
            Don`t have account ? <a href="#">Sign up</a>
        </div>
    </div>
</div>
</body>
<style>
    *{
        padding: 0;
        margin: 0;
        ont-family: "Open Sans Light";
        letter-spacing: .05em;
    }
    html{
        height: 100%;
    }
    body{
        height: 100%;
    }
    .container{
        height: 100%;
        background-image: linear-gradient(to right,#fbc2eb,#a6c1ee);
    }
    .login-wrapper{
        background-color: #fff;
        width: 250px;
        height: 500px;
        border-radius: 15px;
        padding: 0 50px;
        position: relative;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
    }
    .login-wrapper .header{
        font-size: 30px;
        text-align: center;
        font-weight: bold;
        line-height: 200px;

    }
    .login-wrapper .form-wrapper .input-item{
        display: block;
        width: 100%;
        margin-bottom: 20px;
        border: 0;
        padding: 10px;
        border-bottom: 1px solid rgb(128,125,125);
        font-size: 15px;
        outline: none;
    }
    .login-wrapper .form-wrapper .input-item::placeholder{
        text-transform: uppercase;
    }
    .login-wrapper .form-wrapper .btn{
        text-align: center;
        padding: 10px;
        width: 100%;
        margin-top: 40px;
        background-image: linear-gradient(to right, #a6c1ee,#fbc2eb);
        color: #fff;
    }
    .login-wrapper .msg{
        text-align: center;
        line-height: 88px;
    }
    .login-wrapper .msg a{
        text-decoration-line: none;
        color: #fbc2eb;
    }

</style>
</html>